Pakz001.Raylib-Examples/Beginners_-_String_To_Integer.c

//
// string char to int.
//
#include "raylib.h"


int main(void)
{
    // Initialization
    //--------------------------------------------------------------------------------------
    const int screenWidth = 800;
    const int screenHeight = 450;

    InitWindow(screenWidth, screenHeight, "raylib example.");
 
    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
    //--------------------------------------------------------------------------------------

    // Main game loop
    while (!WindowShouldClose())    // Detect window close button or ESC key
    {
        // Update
        //----------------------------------------------------------------------------------
        
        // Here we create a char with letters and numbers
        char banana[] = "hello 55";
        
        //----------------------------------------------------------------------------------
        // Draw
        //----------------------------------------------------------------------------------
        BeginDrawing();

            ClearBackground(RAYWHITE);
            //
            // by using the -'0' on a character we create its ansi integer value.
            // -'0' is decreasing the ansi table with the start position of the numbers in the table.
            //
            DrawText(FormatText("character [6] of char banana = integer %i",banana[6]-'0'),200,200,20,BLACK);

        EndDrawing();
        //----------------------------------------------------------------------------------
    }

    // De-Initialization
    //--------------------------------------------------------------------------------------
    CloseWindow();        // Close window and OpenGL context
    //--------------------------------------------------------------------------------------

    return 0;


}